Part 1 Ford Mondeo Mk3 Tddi Running Rough Diagnosing Causes EGR Valve Removal
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- เผยแพร่เมื่อ 10 ก.ย. 2024
- Part 1 Ford Mondeo Mk3 Tddi Running Rough Diagnosing Causes EGR Valve Removal. In this video we are trying to diagnose a running problem with this MK3 Diesel TDDi Mondeo. We remove the EGR valve and clean it and also put a temporary hose from the air box to the turbo.
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Sir: Thank you for your videos!! My car was showing flat power after 3k rpm. I tought, this must be the Turbo, but since the turbo kicks in until 3k rpm, then it must be something that might be expensive: injectors for example. Then I stumbled on your videos. So I took it upon myself to do some troubleshooting. I got a fancy toolbox on the internet, and started with the oil and filter change thanks to one of your videos. Then i changed the fuel filter and applied carefully all the steps highlighted in the part 2 video. Then i gathered my energy and started going through the vacuums and hoses, MAF...Nothing suspicious. So i removed the EGR, it was dirty, but not too much. I cleaned it, and made sure the valve stem was moving back and forth when i pressed it with my hand. Then i connected the egr again (battery was disconnected through the whole process). Took the car for a drive, it was lacking power just like before, but I insisted on driving it on high rpms for 10 or 20 miles, until i felt the power again. It was a smooth acceleration until 3k rpm, and then more power unlike before. Glad it was not injectors, the turbo or the lift pump, the expense wouldve been real worse. Now the car is running great, but my back is hurting after some bending :D
P.S: Car is a Mondeo mk3 TDCI 2.2
Thanks again sir, you helped me so much in saving a few bucks, but also in having some peace of mind now.
Well done Amine, glad the videos helped and you saved money as well.
Cheers
Martin
Martin, when you change the fuel filter the new one will come with three plastic covers over each of the holes. Take them off and fill (I used a kitchen measuring jug) via the fuel in hole to the top. When you think its full give the filter a gentle shake and the air will come out. when the fuel is at the top of all three holes put the plastic caps back on and secure in the car. This minimises fuel spillage onto the alternator below. You can then take off the plastic caps as you clip back on the fuel hoses. Finally, before reconnecting the pipe that supplies the fuel pump, lift it up and fill this with diesel as well. Put your finger over the end as you lower it back down to connect to the filter. This should mean a much reduced chance of an air leak, which is a nightmare to clear on these models (just getting the T-shirt printed now)!
Nice one Miles, thanks for the tips.
Loads of good advice Martin coming thru...
In defense of the Mondeo...Martin's has done 150000 miles...he picked it up cheap....who knows what maintenance has been done over the years?
The EGR bypass or blanking is not a MOT failure....you can't physically see a difference on most that are done.
Injector's are not a problem on Martin's car as his is the earlier TDDI (Direct Injection) engine, as opposed to the later TDCI ( Common Rail).
The TDDI has a much better rep for reliability than the early TDCI's....which have a reputation for having lots of Injector problems.
Bar that.....the only other major issue is the Dual mass Flywheel, which distintergrates and usually has to be changed along with the clutch.
Otherwise....a very good car, drive and handling often cited as best in its class.
A great used buy.
Nice comment Graham, Yes, I did the DMF as you probably know and quite a few other jobs. These things are expected on an old car but I agree, a great car.
Really like these videos Martin as I have the same car (saloon model though) and I have 225,000 miles done. At this stage I know every inch of the car.
That's the good thing as you learn how they work.
this is more perplexing than the Bermuda triangle and definatley more interesting....good video Martin
Haha, I never thought of it like that Robin lol
Great video Martin. I have been reading up on this fault and lots of people have pointed to the fuel filter. Them being of poor quality or air bubbles forming due to blockages from never being changed. They also recommend inspecting the MAF sensor , making sure the thin wire inside isn't broken or dirty. Hope you get it sorted Martin and will continue to watch see how you go on.
Cheers, Jeff.
I'm in the process of that Jeff. I will be checking those out in this process so keep tuned.
Cheers
Martin
just unplug the MAF and see if it drives betters, if its over fuelling i would say thats because it does not know how much air is being drawn in threw the into so its over fuelling to save the engine from damage
I'll be checking the MAF tomorrow as well as replacing that hose and changing the fuel filter.
Very well done video. We don't have these in the US. Currently it's 78f and partly cloudy in Port St Lucie , Fl.
Nice one Jim, It's been a good day here weather wise but not Mondeo wise haha.
Cheers
Martin
Hi Martin, it could be the lift pump that is playing up, next time your having problems give the lift pump a good tap in the rear wheel arch, plus get the fuel filter changed and get a good injector cleaner in the tank.It's worth marking the fuel lines if you change the filter so they don't get mixed up.
Yes, i'm aware of that problem but there's a few other things to check before I go there.
Been there got the T Shirt Martin as regard diesels....
I currently have a Rover 75 diesel...BMW engine... have changed both aux fuel pumps, one in tank and one in engine bay.
Bosch made with a 50kish life cycle.
The BMW engine was... I'm told..was the first common rail derv engine...and its very good with a strong Rep.
Fitted a bypass on advice from the diesel gurus Martin... car runs better, and slightly better mpg as well...so definitely consider it.
bypass = EGR valve....
I don't think now it's the egr but I'll look into possibly blanking it off.
retrorestore
I don't either....yours looked OK anyways.
Mass Air Sensor can be cleaned with Carb Cleaner (you know all this...am sure..) unless totally fooked....
Pick up Pump or even Fuel filter....
Only doing it when it gets warm..,..???
Great vid mate your right it could be many things my first thought was collapsed pipe causing air restriction to charge pressure system maf sensor reading to ecu good but map sensor reading under boost (due to air restriction) and ecu adding more
fuel per injection cycle = more black smoke. But with the kangarooing it could also suggest fuelling problem. Not all engine fault codes will set a warning light on dash and most of the time you have to monitor the live data from the ecu to find the
problem .looking forward to part 2
I've got a replacement hose and a new fuel filter for tomorrow so we'll fit them and see what happens first.
Cheers
Martin
I've changed quite a few Mass Sensors with broken rotted out connections. Salvage Yards $10. Usually fixed the problem. But in your case, I suspect that hose restricts airflow and results in a rich fuel condition, is why the smoke and misfire. Great trouble shooting video.
Yes, I tend to agree Bri so I have been to the breakers today and got the proper hose and will fit it in tomorrow's vid wit a new fuel filter.
Cheers
Martin
Might be a good idea to wash it out. May have dirt inside or cob webs. Make it look newish.
Had the same problem. Replaced EGR valve with a new one and all was fine but gradually had the same problem. I'm just running it without the EGR valve plugged in now.
great vid Martin, mine was a lot worse than that when i cleaned my egr valve, i got my car mapped in the end with the egr delete so far so good.. cheers
I don't think my egr was the problem Steve but I had to eliminate it as you know.
Cheers
Martin
i am just cleaning the EGR valve on my x type jag, looks like the same engine as the mondeo mine has the EGR at the front left corner with the sensor on it, swooped it six months ago and the engine management light went out but it back on now, car actually runs as normal which is strange, I got a feeling the plunger is sticking.
You need to still a hole and put a bolt yo the exhaust side of the turbo.To them clean the variable face of the turbo with Mr Muscle. I followed another guys advise believe me it works.Check on you tube.Great fix.Hope this helps
The dreaded mondeo strikes again lol brilliant cars when they run but pain in the backside when they don't. I've seen similar symptoms of what your having Martin. Cut open your old fuel filter and see if there's iron fillings inside. Think you use a magnet to see the iron fillings. If you find any it means fuel pump Also other thing to check with these motors is injectors. You'll have to do a test by connecting 4 clear bottles to the injectors and see if the bottle/bottles fill up rapid. If it ain't those then you are missing a dust cap lol it's usually the tdci models that have the problems more. Good luck and you'll sort it
Thanks Antony. Many people have had this problem so i'll be checking that.
Cheers
Martin
hi martin iv go the x type diesel similar engine blanked my egr valve 3 years ago never had any mot issues although a think your problem may be fuel related good look on sorting it
Thanks Jon, Keep watching, i'm on it again tomorrow.
wow never worked on the tddi done loads of tdci there so much easyer lol thanks for your vids mate new subscriber love how u explain things
Cheers bud. Thanks for the sub.
Does this engine has 100% mecanical injection pump. Or the pump has some electronic control. Being a pre common rail I tend to belive is only mechanical.
Please let me know.
Hello, thank you for the video. I have a Mondeo MK3 TDCI 2005 with power loss and a lot of smoke. The coils symbol is blinking. I took off the EGR and cleaned it. My question is now, if I schould be able to move the piston in the EGR with my finger or a tool. How strong is the spring inside? I can tell that I can not move it just a millimeter, so maybe the EGR is broken and has to be changed? :-) Thanks for good videoes.
Check out my egr checking video th-cam.com/video/-OPULfOVdps/w-d-xo.html
Interesting video Martin. If you ever need to borrow a vacuum/pressure pump I've got a hand operated one you can borrow. Useful for checking valves, 2 stroke carbs and this sort of thing. Cheers, John
Thanks John, I think i'll be buying one as well as they are not very dear.
Cheers
Martin
great video Martin im sure you will find the problem, but lets hope its not the turbo on its way out. cant wait for the next part its very interesting and as always i enjoyed it very much especially the drive around the block. thumbs up from me
Thanks Dave, Part 2 to follow shortly.
Cheers
Martin
Hello sir, in my car 3 fault codes P0110, P0235, P0403 can you help please what a problem
Me also same can you help me sir
Help me please
Hoping this is the fix for my tddi transit connect.
EGR is a really crap system... despite having an extra tank and pump on the car, SCR is a much better way of dealing with emissions at the end of the cycle rather than a half-arsed attempt trying to do it part way through, interrupting the flow and introducing hot, part-burnt gasses into a process that loves a clean, cooled and condensed charge to get the best power available for every power stroke... not to mention all the crap that gets thrown back through the inlet manifold and clogging it up. I have just finished stripping a mk3 Mondeo TDCi and the plastic manifold is full of gunk (as are the inlet ports) and the EGR valve is going be dispensed with on my new Mondy `54 Diesel Estate Auto...
I ad this with a laguna 2 1.9dci ran ok but lacked power and started smoking. I was horrified that the manifold was caked within a mm of its life. took the lot off, cleaned egr, mass air pipes manifold the lot. ran sweet after, and changed oil too after all crap going in engine. after that every service I removed egr and cleaned it. felt like it was 120bhp after and consumption was miles better.
You better off just deleting your EGR valve. They are nothing but trouble.
This egr was very clean Rob but I had to check it for the reason you said.
that pipe crimping wont help. if you have never done the fuel filter, then that wont arm anything. think they are a pig to bleed as I did one on a focus with that engine. I normally get some fuel in a tub, fit filter and use a 12v pump like lidl currently have for 12.99 to fill it as much as possible. I hope it turns out to be something simple! you don't have much luck with them Mondeos.
It all gives me content for my vids though lol.
Cheers
Martin
Found this really useful, love the way you explain how everything works, it's there anything you'd suggest to use for cleaning? Thanks :-)
I cleaned this with brake cleaner as it wasn't really bad but I think some people use oven cleaner.
Might be as simple as something like a knackered body to engine earth. If your getting a crap earth the sensors on the car will be jumping and jolting around and giving the ecu dodgy readings. I think you can rule out the turbo, intercooler and pipework as normally for jolting like that the hose would of had to of blown off and you would hear the loud hissing. My money would be on a dodgy earth or a knackered MAF sensor
I'll bear the earth in mind bud. The MAF will be cleaned in this series.
Cheers
Martin
After seeing were the EGR is on the tddi I am glad I've got a tdci
Whats the difference between tddi and tdci... im due to buy a 2ltr diesel tdci 97,000 miles... what should i look & listen for when test driving it?
Also what are the common fault on the tdci 2ltr diesel..
+Kobain electrical injectors causes the most problem.
Hi Martin have you checked to see if the inter-cooler hoses are collapsing when warm and revved up.
just check to see if the inter cooler hoses are soft in places,rubber hoses may have
de-laminated on the inside causing a balloon when warm blocking part of air flow.
happend to me 3 lane m5 not fun i can tell ya.
The hoses are not soft, I did check them but it;s a good point.
Hi, my mk3 mondeo tdci during my journey suddenly engine cut of along with spring pop out on the dash board, any idea?
Sorry bud, I don't know
I have the same car with a 2.0 TDI engine. I switched off the wires from the egr valve and the engine was driven, but the fuel consumption increased by 20% and the final maximum speed dropped to 100 miles / h. The sound of the turbine is no longer heard in the general. Please tell me what to do. Do I need to clean both the pump or the egr valve or what do you recommend something else?
You should read the fault codes and take it from there.
another great video 👍
Thanks Dave
Cheers
Martin
good luck with it Martin :)
Morning buddy I've been watching all your vids and enjoying them all😉👍 I had a similar problem and it turned out to be the MAP Sensor( manifold absolute pressure ) it's located on the bottom boost hose? I think your transit might be the same sensor from memory? Just to try if it was? Just thought ide share that in case it was any help 😉👍
Have you put a faultfinder on the Mondeo?
Great video and very interesting design on that egr valve.Best of luck and fingers crossed your fuel filter will sort it.May I ask what camera and mount did you use when you were driving as it looks really clear I could do with a camera/mount like that thanks
P0403 CODE?
Are you Mike Brewers brother?
Hi guy's, I have some issues with the air when the admission gallery is open. I have a Ford mondeo 1.8 petrol, the problem it was whit the nut from motor who opens the air flaps from galery admission, I fixed that problem but now my car is not running well when I press the pedal and I have 3000+rpm I think the motor is received to much air becouse it have a delay up to 2-3sec till responding on pedal and speed up. What can be the problem to fix it. Befer when it was off the admission gallery when I press the pedal the machine it responds very fast but the fuel Petrol is empty fast. Sorry for my English league but hope some one to understand and tell me how to fix the problem.
I'm sorry, i don't know what the problem is. Does anybody else?
@@retrorestore HI, I have done a test for the gear shift... I pulled it up the hand brake, I start the engine, I put in the first shift and I released the clutch easy and the motor haven't stopped. I think I have problems whit the shift gear, please tell me If I did a corect test and pleas tell me if my mondeo 1.8 Petrol year 12.2000 - 125 HP it have double or single wheel flywheel? Thank you!
hi mate you need to get yourself a diagnostic machine with live data a lot of things on that engine you can monitor with live data can pinpoint the problem quite quickly
95% of the time Senses Fail when hot with live data is very easy to see this save you a lot of time
Could not agree more mate saves a lot of time seeing what data the ecu is seeing in real time
Have you got any recommendations Leon?
it's a minefield unfortunately I have not had much experience with the cheaper ones except from the Foxwell Pro Series I have shown a few in my video with the Foxwell Pro and for the price of it I have to say it is very good free updates which is a big thing and the live data is good you can also Graff the live data as well
Cheers bud.
hi buddy you said the smoke was black. have you also checked your diesel filter and fuel to check for contamination as these will cause low power just a thought mate
I've got a new filter to go in Billy so that will be in the next vid amongst other things.
Cheers
Martin
Great video Martin.
My wifes VW beetle misses slightly and engine management light is on and diagnostic reading is code P0400 EGR valve and ive replaced 3 EGR valves over last 2yrs and fault keep reoccurs after a couple of weeks.
Any ideas what could be causing the EGR valves to fail.
Cheers Adrian
No, these computer controlled cars are not my favorite to diagnose faults on bud.
Can you remove the EGR altogether? Or would it not be advisable?
Hopefully Martin, it isn't injector or fuel pump related!
You can blank the egr but it's not the problem in my case. I hope it's not the pump or injectors too Pedro.
Not good Martin . Looks like a air issue perhaps . Had the same problem on a old 305 pug years back air leaking into the system . Mind you that was a pretty basic set up compared to your motor.
Cheers Pete.
I'll get there Pete, Make a good video though lol
Sure you will Martin. I was waiting for a few f words when you where undoing the EGR.
There was a few lol
Sure there was . Bit like my friend Pete . He is a legend .
That the injectors dropping to much diesel into the cylinders
what sort of turbo u have n the Mondeo? Garrett?
Yes, Stu It's a Garrett.
Blanking it off Martin is a mot failure is the not testers come across a emissions issue
I know bud but it doesn't point to my EGR valve at the moment.
The Mondeo seems trouble!!
Just things that happen to an old car bud
Could you connect an airline to that EGR valve with some rubber hose?
I vacuum line is needed Michael
Try unplugging the map sensor
I'll be doing that tomorrow Mike to see if it's over fueling.
Is that woodhall spa 👀
Yes it is Scott.
👍👍👍👍
cars nothing but problems lol bring back the old cars
Yes, I agree Chris lol.
We tend to look back at older (or "old") cars with rose tinted glasses. Yes, they were often easier to work on and it was easier to diagnose problems, but it definitely doesn't mean they were any more reliable.
I agree but there's s much technology on today's vehicles and it's usually the sensors that fail and not the part they are monitoring. Also these sensors are way overpriced and can't be serviced unless you have the correct diagnostic equipment and that costs thousands.
It would take too long and too much text for me to explain and answer this properly (I'd probably do a TH-cam video on it if I pulled my finger out!)
Both old and new cars have good and bad points. On the whole, modern cars are better built, comfier, and are more reliable, require less maintenance and less "tinkering" - it's rare these days to even see someone out washing their car on a Sunday, let alone have their head stuck under the bonnet (mainly because they don't have to).
You can test many different sensors with an oscilloscope such as the Hantek units that are on eBay for less than £50, and they plug into a laptop. Eric O (South Main Auto) and Ivan (MotoYam82) use 'scopes to diagnose many different problems - yes they do use equipment by Snap-On, etc., but the principles are the same.
I understand all that but it's about finding the balance but everything is out of balance where style and the technology outweigh the practical use of vehicles to the extent where cars like this Mondeo would have been scrapped a long time ago as it would be uneconomical to repair even though it's a perfectly good vehicle
i'll bet the Honda Accord----Sorry Triumph Acclaim doesn't have all this fancy nonsense.
No you 're right , It's nice and straight forward.
There was a limited edition of the Acclaim which had a turbocharger (the Avon Turbo). I've only ever seen one of these cars.